Home / 1,449,128.25-1,999,801.43-804,550.09

Finding the Fourth Proportional to 1,449,128.25, 1,999,801.43 and 804,550.09

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Solution

The fourth proportional to 1,449,128.25, 1,999,801.43 and 804,550.09 is: 1,110,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,128.25 : 1,999,801.43 = 804,550.09 : x
  2. Step 2: Convert to fraction form
    1,449,128.25/1,999,801.43 = 804,550.09/x
  3. Step 3: Cross multiply
    1,449,128.25x = 1,999,801.43 × 804,550.09
  4. Step 4: Simplify right side
    1,449,128.25x = 1,608,940,420,488.63
  5. Step 5: Solve for x
    x = 1,608,940,420,488.63/1,449,128.25
  6. Step 6: Final answer
    x = 1,110,281.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.